OpenAI: GPT-5 Pro
openai/gpt-5-pro
GPT-5 Pro is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience. It is optimized for complex tasks that require step-by-step reasoning, instruction following, and...
Modalities
ImageTextFile
In / out price
₩26,325 / ₩210,600
1M
Context
400K
Released
Oct 7, 2025
Pricing
Prices are quoted in Korean won. Changes to the exchange rate or margin show up immediately.
| Input (prompt) | ₩26,325 / 1M |
| Output (completion) | ₩210,600 / 1M |
| Cache read | ₩2,633 / 1M |
| Cache write | — |
1,000 input tokens plus 1,000 output tokens costs about ₩237.